make[4]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
make[5]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
[  2%] Built target noddos_test
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
[  3%] Building CXX object src/CMakeFiles/Curl_test.dir/Curl_test.cxx.o
In file included from Curl_test.cxx:16:0:
./json.hpp: In member function 'nlohmann::basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberFloatType, AllocatorType>::string_t nlohmann::basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberFloatType, AllocatorType>::iterator_wrapper::iterator_wrapper_internal::key() const':
./json.hpp:5758:32: error: 'to_string' is not a member of 'std'
                         return std::to_string(array_index);
                                ^
./json.hpp: In member function 'long double nlohmann::basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberFloatType, AllocatorType>::lexer::get_number() const':
./json.hpp:6923:36: error: 'strtold' is not a member of 'std'
             const auto float_val = std::strtold(reinterpret_cast<typename string_t::const_pointer>(m_start),
                                    ^
./json.hpp:6923:36: note: suggested alternative:
In file included from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/include/bits/sched.h:116:0,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/include/sched.h:34,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/include/pthread.h:24,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/arc-openwrt-linux-uclibc/include/c++/4.8.5/arc-openwrt-linux-uclibc/bits/gthr-default.h:35,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/arc-openwrt-linux-uclibc/include/c++/4.8.5/arc-openwrt-linux-uclibc/bits/gthr.h:148,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/arc-openwrt-linux-uclibc/include/c++/4.8.5/ext/atomicity.h:35,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/arc-openwrt-linux-uclibc/include/c++/4.8.5/bits/ios_base.h:39,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/arc-openwrt-linux-uclibc/include/c++/4.8.5/ios:42,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/arc-openwrt-linux-uclibc/include/c++/4.8.5/ostream:38,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/arc-openwrt-linux-uclibc/include/c++/4.8.5/iostream:39,
                 from Curl_test.cxx:8:
/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/include/stdlib.h:180:20: note:   'strtold'
 extern long double strtold (const char *__restrict __nptr,
                    ^
src/CMakeFiles/Curl_test.dir/build.make:62: recipe for target 'src/CMakeFiles/Curl_test.dir/Curl_test.cxx.o' failed
make[6]: *** [src/CMakeFiles/Curl_test.dir/Curl_test.cxx.o] Error 1
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
CMakeFiles/Makefile2:150: recipe for target 'src/CMakeFiles/Curl_test.dir/all' failed
make[5]: *** [src/CMakeFiles/Curl_test.dir/all] Error 2
make[5]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
Makefile:127: recipe for target 'all' failed
make[4]: *** [all] Error 2
make[4]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2'
Makefile:83: recipe for target '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2/.built' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/noddos-0.5.2/.built] Error 2